Pricing

Pricing built for engineers

Start with a 7-day free trial. Upgrade to Starter or Pro after admin approval. Cancel any time.

Pricing built for engineers

Try free, scale to Pro when your project pipeline grows. Cancel any time.

Free trial

$0/ month

Kick the tires.

1 project · 3 rooms
Quick HVAC sizing
Duct sizing (read-only export)
Community support

Starter

$19/ month

For solo MEP engineers.

5 projects · unlimited rooms
All HVAC calculators (Quick, Duct, Pipe, Pump)
Save inputs & results to projects
Email support

Pro

MOST POPULAR

$79/ month

For consulting firms & contractors.

Unlimited projects & rooms
All calculators + BOQ & PDF export
Equipment selection presets
Approval/code requirement library
Priority email support

Stripe checkout is being enabled. New signups currently start on Free and request admin approval.